From: Namhyung Kim <[email protected]> Defer linking a newly allocated arg to print_fmt.args until all of its field is setup so that later access to ->field.name cannot be NULL.
Signed-off-by: Namhyung Kim <[email protected]> Acked-by: Steven Rostedt <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Steven Rostedt <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/lib/traceevent/event-parse.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index b7c2c49..33fcd94 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -4754,20 +4754,20 @@ int pevent_parse_event(struct pevent *pevent, struct print_arg *arg, **list; /* old ftrace had no args */ - list = &event->print_fmt.args; for (field = event->format.fields; field; field = field->next) { arg = alloc_arg(); - *list = arg; - list = &arg->next; arg->type = PRINT_FIELD; arg->field.name = strdup(field->name); if (!arg->field.name) { do_warning("failed to allocate field name"); event->flags |= EVENT_FL_FAILED; + free_arg(arg); return -1; } arg->field.field = field; + *list = arg; + list = &arg->next; } return 0; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
